High Performance Rotational ViscometerHigh Performance Rotational Viscometer

High Performance Rotational Viscometer

AASHTO T316, ASTM D2196, ASTM D4402, EN 13302


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High Performance Rotational Viscometer

Apparent viscosity of unfilled asphalt is evaluated by a rotational viscometer which measures the torque generated by a calibrated spindle rotating at a selected speed into a bitumen sample heated at precise temperature in the range between ambient temperature to 260°C.

The measured relative resistance to rotation is converted, by a factor, in viscosity units, cP or mPa·s.

Technical specifications

  • Viscosity range: 100-40,000,000 cP
  • Rotational speed range: 0.01-200 rpm
  • Selectable speeds: 18
  • Precision: ± 1% of full scale

Resolution

  • Using low viscosity adapter: 0.01 cP
  • For viscosity lower than 10.000 cP
  • For viscosity equal to or above 10,000 cP: 1cP
  • Repeatability: 0.2%

Thermometer features

  • Temperature margins: 0 to 100° C; 32 to 212°F
  • Resolution: 0.1°C / 0.2°F
  • Precision: ±0.1°C
  • Type of probe: PT100

Spindle modelsViscosity ranges (mPa•s)
TR850 – 170 K
TR9250 – 830 K
TR10500 – 1.7 M
TR111 K – 3.3 M

Features

  • 12-key touchpad keyboard
  • Direct readout on a graphic display
  • Data displayed:
    • Selected speed
    • Selected spindle
    • Viscosity reading
    • Percentage of full scale
    • Sample temperature
    • Shear rate (with coaxial spindles)
    • Shear stress (with coaxial spindles)
    • Density (entered by the user)
    • Step program status
    • Analysis and visual characteristics(flow curves)
    • Viscosity reading: dynamic viscosity
    • (cP or mPa.s) or kinematic viscosity (cSt)
  • Program features:
    • Time to torque: target torque pre-setting device
    • Time to stop: target time pre-setting device
    • 9 working memories
    • Customizable options
    • Programmable
    • Multistep
    • Ramp
  • AUTO-TEST with visual and audible malfunction alarm
  • AUTO-RANGE function
  • Temperature reading
  • User-enabled viscosity and temperature calibration
  • 10 language options